fix: remove unused braces dependencies (#19797)

Removes unused braces and @types/braces from @tailwindcss/upgrade
package.json as reported in issue #19794

---------

Co-authored-by: CG1AI <sidwu@CG1AIdeMac-mini.local>
Co-authored-by: Robin Malfait <malfait.robin@gmail.com>

Author: 3 people

packages/@tailwindcss-upgrade/package.json

@@ -29,7 +29,6 @@
   "dependencies": {
     "@tailwindcss/node": "workspace:*",
     "@tailwindcss/oxide": "workspace:*",
-    "braces": "^3.0.3",
     "dedent": "1.7.1",
     "enhanced-resolve": "^5.19.0",
     "globby": "^15.0.0",
@@ -46,7 +45,6 @@
     "tree-sitter-typescript": "^0.23.2"
   },
   "devDependencies": {
-    "@types/braces": "^3.0.5",
     "@types/node": "catalog:",
     "@types/postcss-import": "^14.0.3",
     "@types/semver": "^7.7.1"